Internally-threaded flange for a drum head



FIG. 1 is a top plan view of an internally-threaded flange for a drum head showing my new design;

FIG. 2 is a front elevational view thereof, the side elevational views and rear elevational view being the same;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a front elevational view thereof, in full section, as viewed along line 4—4 in FIG. 1. 

I claim the ornamental design for an internally-threaded flange for a drum head, as shown and described. 